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Wtf

Discussion in 'Civic and CRX - EF' started by GlassHeadlights, Mar 13, 2009.

  1. GlassHeadlights

    GlassHeadlights West West Yall

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    My 1990 Si hatch feels like it has a 40hp gain over my other 1991 Si hatch. Here are the specs of both cars.

    1990 Si:
    -Stock to the bone.
    -1989 Si 5 speed tranny because it used to be an automatic.

    1991 Si:
    -Mini-Me (D16A6 block, D16Z6 head).
    -Its not tuned yet.
    -Its on a 1988 DX 5 speed tranny.
    -Short ram intake.
    -Restricted exhaust (small diameter)
    -D16A6 head gasket (thicker than the D16Z6 one)
    -DX D15B2 exhaust manifold (if it makes a difference)

    Both cars are the same weight and both cars have the same compression.

    In a drag race I'd bet $1000 for the 1990 winning. The 1990 is also so much more responsive in the lower RPMs. Do you think when I get a D16Z6 headgasket on, the Si tranny, a Si header (if its different than a DX one) and get it tuned it will kick my 1990's ass?
     
  2. cjvictoria

    cjvictoria New Member

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    the tune dude it's the tune. i bet a mill it it.
     
  3. Fernpatch

    Fernpatch Member

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    I would put my money on the lack of a tune and the dx transmission versus the si transmission.
     
  4. GlassHeadlights

    GlassHeadlights West West Yall

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    The 1990 also has power steering and a sub in the back (going away).
     
    Last edited: Mar 13, 2009
  5. efhondakid

    efhondakid My name is Byron. VIP

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    Im almost positive the gearing is the same.
     
  6. GlassHeadlights

    GlassHeadlights West West Yall

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    The gearing is the same but the final drive on a DX tranny is larger. And the tranny is from a '88 so it has a smaller clutch.
     
  7. efhondakid

    efhondakid My name is Byron. VIP

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    Yep, thats it.
     
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